| Ocean Demons | |
|---|---|
 | |
| Planet of Origin: | Gilziab |
| Biological Type: | Aquatic |
| First Appearance: | The Ocean Demons |
Talk Page 
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Ocean Demons from the planet Gilziab are one of the most dangerous aquatic lifeforms in the galaxy.
They encountered the Third Inspector and Yosif when they threatened P. T. Barnum's exhibition of one of their kind as "The Feejee Mermaid" in the eponymous Season 9 serial, with assistance from the Sergeant. They later returned in a hijacking of the futuristic research station Ocean Outpost 4 to menace the Fifth Inspector, Thorough, Veneziana, and Mimmek in the Season 21 serial "The Ocean's Teeth".
Myth of the Ocean Demons (Spring 2021 Special)
They came back for the new series in the 2021 spring special, "Myth of the Ocean Demons", in which the piratical aquatic aliens attack 15th-century Chinese Admiral Zheng He's treasure fleets on their voyage of discovery to the Americas. Although The Thirteenth Inspector is able to rout them, she must cover up the evidence of extraterrestrial involvement, and the Ming treasure voyages‘ global discoveries fade into legend.
Trivia[]
- The two-person costume for the monstrous Makara in "The Ocean's Teeth" was finished less than an hour before it was filmed for the serial's climactic battle. This meant not only did the two puppeteers inside have no time to rehearse but also that the prop smelled so strongly of adhesive and spray paint that they complained afterward they felt like they were sniffing glue during their scenes. Fans agree that whatever the reason, the Makara is one of the least frightening monsters in the programme's history.
- "Myth of the Ocean Demons" was based on 1421: The Year China Discovered the World by Gavin Menzies and received poor reviews for its poor historical accuracy, even by the programme’s standards,